I would go with the replies of Ruth and David.
A deciduous vine of a type that suits the area and your taste.
You could grow it over lattice work or strong wire strung across. I have
seen pre fabricated made out of fibro board, which is simply a sheet of the
stuff with squares punched out for "fake lattice". Looks good from a
distance, but obviously fake up close, but if it's getting covered with a
climber it could be a possiblility. Just check on the strength. I would
guess it's stronger than the "stapeled" together stuff.
Even a deciduous tree (small though), or deciduous shrubs turned into a
screen (similar to a hedge).

Good luck
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